add atmosphere

theatre/src/main.tsx

@@ -0,0 +1,36 @@
+import './index.css'
+import { createRoot } from 'react-dom/client'
+import React, { useEffect } from 'react'
+import { Canvas } from '@react-three/fiber'
+import studio from '@theatre/studio'
+import extension from '@theatre/r3f/dist/extension'
+import { SheetProvider, editable as e, PerspectiveCamera } from '@theatre/r3f'
+import { getProject } from '@theatre/core'
+import demoProjectState from './state.json'
+
+studio.initialize()
+studio.extend(extension)
+
+const demoSheet = getProject('Demo Project', { state: demoProjectState }).sheet('Demo Sheet')
+//const demoSheet = getProject('Demo Project').sheet('Demo Sheet')
+const App = () => {
+  useEffect(() => {
+    demoSheet.project.ready.then(() => demoSheet.sequence.play({ iterationCount: Infinity, range: [0, 1] }))
+  }, [])
+
+  return (
+    <Canvas>
+      <SheetProvider sheet={demoSheet}>
+        <PerspectiveCamera theatreKey="Camera" makeDefault position={[0, 0, 0]} fov={75} />
+        <ambientLight />
+        <e.pointLight theatreKey="Light" position={[1, 1, 1]} />
+        <e.mesh theatreKey="Cube">
+          <boxGeometry args={[1, 1, 1]} />
+          <meshStandardMaterial color="orange" />
+        </e.mesh>
+      </SheetProvider>
+    </Canvas>
+  )
+}
+
+createRoot(document.getElementById('root')!).render(<App />)